Quickly screen solvents for organic solids

Article Abstract:

Solvents play an essential role in separation processes involving liquid/liquid extraction or crystallization from solution. Depending which solvent is used, processors can attain the desired reation rate, selectivity or yield in organic reactions. Identifying good solvents can be done more quickly using solubility estimation methods. Several methods for estimating the solubility of nonionic organic solids in a broad array of solvents are presented.

Product information, Aromatic Solvents

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M-Xylene gets a market boost

Article Abstract:

UOP LLC is among the recipients of the 1999 Kirkpatrick Chemical Engineering Achievement Awards. The Des Plaines, IL-based company is recognized for developing a cost-effective, efficient and environmentally- attractive adsoprtion process designed to recover meta-xylene from mixed- hydrocarbon feedstocks. Named MX Sorbex, the novel process operates with isothermal beds of a proprietary solid adsorbent.

Production management, Xylenes

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Benzene study suggests steady growth

Article Abstract:

World demand growth for benzene was 4.2% per year between 1995 and 1999, according to a study conducted by Chemical Market Associates Inc (CMAI). The company also predicts that demand for benzene will grow 4.6% per year from 1999 to 2005. Meanwhile, world physical demand for benzene is estimated to grow from 25.2 million tons in 1995 to 39.4 million tons in 20005.

Benzene

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